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<div class="title">qwt_system_clock.cpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &quot;qwt_system_clock.h&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;qelapsedtimer.h&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="class_qwt_system_clock.html#a7cde59f783269c5f3542ec93f450f5bd">   14</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="class_qwt_system_clock.html#a7cde59f783269c5f3542ec93f450f5bd">QwtSystemClock::isNull</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;    <span class="keywordflow">return</span> m_timer.isValid();</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;}</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="class_qwt_system_clock.html#a3408bd55b49582f7847865aacc7beb37">   20</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="class_qwt_system_clock.html#a3408bd55b49582f7847865aacc7beb37">QwtSystemClock::start</a>()</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;{</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    m_timer.start();</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;}</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="class_qwt_system_clock.html#a6be327dd133c1d7ecccfb95050eef7b9">   29</a></span>&#160;<span class="keywordtype">double</span> <a class="code" href="class_qwt_system_clock.html#a6be327dd133c1d7ecccfb95050eef7b9">QwtSystemClock::restart</a>()</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;{</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    <span class="keyword">const</span> qint64 nsecs = m_timer.restart();</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <span class="keywordflow">return</span> nsecs / 1e6;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;}</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160; </div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="class_qwt_system_clock.html#a6d373715eb0fac098f2f02ce42a660c9">   36</a></span>&#160;<span class="keywordtype">double</span> <a class="code" href="class_qwt_system_clock.html#a6d373715eb0fac098f2f02ce42a660c9">QwtSystemClock::elapsed</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    <span class="keyword">const</span> qint64 nsecs = m_timer.nsecsElapsed();</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    <span class="keywordflow">return</span> nsecs / 1e6;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;}</div>
<div class="ttc" id="aclass_qwt_system_clock_html_a3408bd55b49582f7847865aacc7beb37"><div class="ttname"><a href="class_qwt_system_clock.html#a3408bd55b49582f7847865aacc7beb37">QwtSystemClock::start</a></div><div class="ttdeci">void start()</div><div class="ttdoc">Start the elapsed timer.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__system__clock_8cpp_source.html#l00020">qwt_system_clock.cpp:20</a></div></div>
<div class="ttc" id="aclass_qwt_system_clock_html_a6be327dd133c1d7ecccfb95050eef7b9"><div class="ttname"><a href="class_qwt_system_clock.html#a6be327dd133c1d7ecccfb95050eef7b9">QwtSystemClock::restart</a></div><div class="ttdeci">double restart()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__system__clock_8cpp_source.html#l00029">qwt_system_clock.cpp:29</a></div></div>
<div class="ttc" id="aclass_qwt_system_clock_html_a6d373715eb0fac098f2f02ce42a660c9"><div class="ttname"><a href="class_qwt_system_clock.html#a6d373715eb0fac098f2f02ce42a660c9">QwtSystemClock::elapsed</a></div><div class="ttdeci">double elapsed() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__system__clock_8cpp_source.html#l00036">qwt_system_clock.cpp:36</a></div></div>
<div class="ttc" id="aclass_qwt_system_clock_html_a7cde59f783269c5f3542ec93f450f5bd"><div class="ttname"><a href="class_qwt_system_clock.html#a7cde59f783269c5f3542ec93f450f5bd">QwtSystemClock::isNull</a></div><div class="ttdeci">bool isNull() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__system__clock_8cpp_source.html#l00014">qwt_system_clock.cpp:14</a></div></div>
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